config-model/src/main/java/com/yahoo/vespa/model/content/cluster/DomResourceLimitsBuilder.java


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// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.model.content.cluster;

import com.yahoo.config.application.api.DeployLogger;
import com.yahoo.vespa.model.builder.xml.dom.ModelElement;
import com.yahoo.vespa.model.content.ResourceLimits;

import java.util.logging.Level;

/**
 * Builder for feed block resource limits.
 *
 * @author geirst
 */
public class DomResourceLimitsBuilder {

    public static ResourceLimits.Builder createBuilder(ModelElement contentXml,
                                                       boolean hostedVespa,
                                                       boolean throwIfSpecified,
                                                       DeployLogger deployLogger) {
        ResourceLimits.Builder builder = new ResourceLimits.Builder();
        ModelElement resourceLimits = contentXml.child("resource-limits");
        if (resourceLimits == null) { return builder; }

        if (hostedVespa) {
            String message = "Element '" + resourceLimits + "' is not allowed to be set";
            if (throwIfSpecified) throw new IllegalArgumentException(message);


            deployLogger.logApplicationPackage(Level.WARNING, message);
            // TODO: return (default values will then be used). Cannot be done now as an app needs current behavior
            //return builder;
        }

        if (resourceLimits.child("disk") != null) {
            builder.setDiskLimit(resourceLimits.childAsDouble("disk"));
        }
        if (resourceLimits.child("memory") != null) {
            builder.setMemoryLimit(resourceLimits.childAsDouble("memory"));
        }
        return builder;
    }

}